-namespace factor
-{
+namespace factor {
typedef unsigned char u8;
typedef unsigned short u16;
typedef signed long long s64;
#ifdef _WIN64
- typedef long long fixnum;
- typedef unsigned long long cell;
+typedef long long fixnum;
+typedef unsigned long long cell;
#else
- typedef long fixnum;
- typedef unsigned long cell;
+typedef long fixnum;
+typedef unsigned long cell;
#endif
-inline static cell align(cell a, cell b)
-{
- return (a + (b-1)) & ~(b-1);
-}
+inline static cell align(cell a, cell b) { return (a + (b - 1)) & ~(b - 1); }
-inline static cell alignment_for(cell a, cell b)
-{
- return align(a,b) - a;
-}
+inline static cell alignment_for(cell a, cell b) { return align(a, b) - a; }
static const cell data_alignment = 16;
-#define WORD_SIZE (signed)(sizeof(cell)*8)
+#define WORD_SIZE (signed)(sizeof(cell) * 8)
#define TAG_MASK 15
#define TAG_BITS 4
#define TAG(x) ((cell)(x) & TAG_MASK)
#define UNTAG(x) ((cell)(x) & ~TAG_MASK)
-#define RETAG(x,tag) (UNTAG(x) | (tag))
+#define RETAG(x, tag) (UNTAG(x) | (tag))
/*** Tags ***/
#define FIXNUM_TYPE 0
#define TYPE_COUNT 14
-static inline const char *type_name(cell type)
-{
- switch (type)
- {
- case FIXNUM_TYPE:
- return "fixnum";
- case F_TYPE:
- return "f";
- case ARRAY_TYPE:
- return "array";
- case FLOAT_TYPE:
- return "float";
- case QUOTATION_TYPE:
- return "quotation";
- case BIGNUM_TYPE:
- return "bignum";
- case ALIEN_TYPE:
- return "alien";
- case TUPLE_TYPE:
- return "tuple";
- case WRAPPER_TYPE:
- return "wrapper";
- case BYTE_ARRAY_TYPE:
- return "byte-array";
- case CALLSTACK_TYPE:
- return "callstack";
- case STRING_TYPE:
- return "string";
- case WORD_TYPE:
- return "word";
- case DLL_TYPE:
- return "dll";
- default:
- FACTOR_ASSERT(false);
- return "";
- }
+static inline const char* type_name(cell type) {
+ switch (type) {
+ case FIXNUM_TYPE:
+ return "fixnum";
+ case F_TYPE:
+ return "f";
+ case ARRAY_TYPE:
+ return "array";
+ case FLOAT_TYPE:
+ return "float";
+ case QUOTATION_TYPE:
+ return "quotation";
+ case BIGNUM_TYPE:
+ return "bignum";
+ case ALIEN_TYPE:
+ return "alien";
+ case TUPLE_TYPE:
+ return "tuple";
+ case WRAPPER_TYPE:
+ return "wrapper";
+ case BYTE_ARRAY_TYPE:
+ return "byte-array";
+ case CALLSTACK_TYPE:
+ return "callstack";
+ case STRING_TYPE:
+ return "string";
+ case WORD_TYPE:
+ return "word";
+ case DLL_TYPE:
+ return "dll";
+ default:
+ FACTOR_ASSERT(false);
+ return "";
+ }
}
-enum code_block_type
-{
- code_block_unoptimized,
- code_block_optimized,
- code_block_pic
+enum code_block_type {
+ code_block_unoptimized,
+ code_block_optimized,
+ code_block_pic
};
/* Constants used when floating-point trap exceptions are thrown */
-enum
-{
- FP_TRAP_INVALID_OPERATION = 1 << 0,
- FP_TRAP_OVERFLOW = 1 << 1,
- FP_TRAP_UNDERFLOW = 1 << 2,
- FP_TRAP_ZERO_DIVIDE = 1 << 3,
- FP_TRAP_INEXACT = 1 << 4,
+enum {
+ FP_TRAP_INVALID_OPERATION = 1 << 0,
+ FP_TRAP_OVERFLOW = 1 << 1,
+ FP_TRAP_UNDERFLOW = 1 << 2,
+ FP_TRAP_ZERO_DIVIDE = 1 << 3,
+ FP_TRAP_INEXACT = 1 << 4,
};
/* What Factor calls 'f' */
static const cell false_object = F_TYPE;
-inline static bool immediate_p(cell obj)
-{
- /* We assume that fixnums have tag 0 and false_object has tag 1 */
- return TAG(obj) <= F_TYPE;
+inline static bool immediate_p(cell obj) {
+ /* We assume that fixnums have tag 0 and false_object has tag 1 */
+ return TAG(obj) <= F_TYPE;
}
-inline static fixnum untag_fixnum(cell tagged)
-{
+inline static fixnum untag_fixnum(cell tagged) {
#ifdef FACTOR_DEBUG
- FACTOR_ASSERT(TAG(tagged) == FIXNUM_TYPE);
+ FACTOR_ASSERT(TAG(tagged) == FIXNUM_TYPE);
#endif
- return ((fixnum)tagged) >> TAG_BITS;
+ return ((fixnum) tagged) >> TAG_BITS;
}
-inline static cell tag_fixnum(fixnum untagged)
-{
- return (untagged << TAG_BITS) | FIXNUM_TYPE;
+inline static cell tag_fixnum(fixnum untagged) {
+ return (untagged << TAG_BITS) | FIXNUM_TYPE;
}
#define NO_TYPE_CHECK static const cell type_number = TYPE_COUNT
struct object {
- NO_TYPE_CHECK;
- cell header;
-
- cell size() const;
- template<typename Fixup> cell size(Fixup fixup) const;
-
- cell binary_payload_start() const;
- template<typename Fixup> cell binary_payload_start(Fixup fixup) const;
-
- cell *slots() const { return (cell *)this; }
-
- template<typename Iterator> void each_slot(Iterator &iter);
-
- /* Only valid for objects in tenured space; must cast to free_heap_block
- to do anything with it if its free */
- bool free_p() const
- {
- return (header & 1) == 1;
- }
-
- cell type() const
- {
- return (header >> 2) & TAG_MASK;
- }
-
- void initialize(cell type)
- {
- header = type << 2;
- }
-
- cell hashcode() const
- {
- return (header >> 6);
- }
-
- void set_hashcode(cell hashcode)
- {
- header = (header & 0x3f) | (hashcode << 6);
- }
-
- bool forwarding_pointer_p() const
- {
- return (header & 2) == 2;
- }
-
- object *forwarding_pointer() const
- {
- return (object *)UNTAG(header);
- }
-
- void forward_to(object *pointer)
- {
- header = ((cell)pointer | 2);
- }
+ NO_TYPE_CHECK;
+ cell header;
+
+ cell size() const;
+ template <typename Fixup> cell size(Fixup fixup) const;
+
+ cell binary_payload_start() const;
+ template <typename Fixup> cell binary_payload_start(Fixup fixup) const;
+
+ cell* slots() const { return (cell*)this; }
+
+ template <typename Iterator> void each_slot(Iterator& iter);
+
+ /* Only valid for objects in tenured space; must cast to free_heap_block
+ to do anything with it if its free */
+ bool free_p() const { return (header & 1) == 1; }
+
+ cell type() const { return (header >> 2) & TAG_MASK; }
+
+ void initialize(cell type) { header = type << 2; }
+
+ cell hashcode() const { return (header >> 6); }
+
+ void set_hashcode(cell hashcode) {
+ header = (header & 0x3f) | (hashcode << 6);
+ }
+
+ bool forwarding_pointer_p() const { return (header & 2) == 2; }
+
+ object* forwarding_pointer() const { return (object*)UNTAG(header); }
+
+ void forward_to(object* pointer) { header = ((cell) pointer | 2); }
};
/* Assembly code makes assumptions about the layout of this struct */
struct array : public object {
- static const cell type_number = ARRAY_TYPE;
- static const cell element_size = sizeof(cell);
- /* tagged */
- cell capacity;
+ static const cell type_number = ARRAY_TYPE;
+ static const cell element_size = sizeof(cell);
+ /* tagged */
+ cell capacity;
- cell *data() const { return (cell *)(this + 1); }
+ cell* data() const { return (cell*)(this + 1); }
};
/* These are really just arrays, but certain elements have special
-significance */
+ significance */
struct tuple_layout : public array {
- NO_TYPE_CHECK;
- /* tagged */
- cell klass;
- /* tagged fixnum */
- cell size;
- /* tagged fixnum */
- cell echelon;
+ NO_TYPE_CHECK;
+ /* tagged */
+ cell klass;
+ /* tagged fixnum */
+ cell size;
+ /* tagged fixnum */
+ cell echelon;
};
struct bignum : public object {
- static const cell type_number = BIGNUM_TYPE;
- static const cell element_size = sizeof(cell);
- /* tagged */
- cell capacity;
+ static const cell type_number = BIGNUM_TYPE;
+ static const cell element_size = sizeof(cell);
+ /* tagged */
+ cell capacity;
- cell *data() const { return (cell *)(this + 1); }
+ cell* data() const { return (cell*)(this + 1); }
};
struct byte_array : public object {
- static const cell type_number = BYTE_ARRAY_TYPE;
- static const cell element_size = 1;
- /* tagged */
- cell capacity;
+ static const cell type_number = BYTE_ARRAY_TYPE;
+ static const cell element_size = 1;
+ /* tagged */
+ cell capacity;
#ifndef FACTOR_64
- cell padding0;
- cell padding1;
+ cell padding0;
+ cell padding1;
#endif
- template<typename Scalar> Scalar *data() const { return (Scalar *)(this + 1); }
+ template <typename Scalar> Scalar* data() const {
+ return (Scalar*)(this + 1);
+ }
};
/* Assembly code makes assumptions about the layout of this struct */
struct string : public object {
- static const cell type_number = STRING_TYPE;
- /* tagged num of chars */
- cell length;
- /* tagged */
- cell aux;
- /* tagged */
- cell hashcode;
-
- u8 *data() const { return (u8 *)(this + 1); }
+ static const cell type_number = STRING_TYPE;
+ /* tagged num of chars */
+ cell length;
+ /* tagged */
+ cell aux;
+ /* tagged */
+ cell hashcode;
+
+ u8* data() const { return (u8*)(this + 1); }
};
struct code_block;
/* Assembly code makes assumptions about the layout of this struct:
- basis/bootstrap/images/images.factor
- basis/compiler/constants/constants.factor
- core/bootstrap/primitives.factor
+ basis/bootstrap/images/images.factor
+ basis/compiler/constants/constants.factor
+ core/bootstrap/primitives.factor
*/
struct word : public object {
- static const cell type_number = WORD_TYPE;
- /* TAGGED hashcode */
- cell hashcode;
- /* TAGGED word name */
- cell name;
- /* TAGGED word vocabulary */
- cell vocabulary;
- /* TAGGED definition */
- cell def;
- /* TAGGED property assoc for library code */
- cell props;
- /* TAGGED alternative entry point for direct non-tail calls. Used for inline caching */
- cell pic_def;
- /* TAGGED alternative entry point for direct tail calls. Used for inline caching */
- cell pic_tail_def;
- /* TAGGED machine code for sub-primitive */
- cell subprimitive;
- /* UNTAGGED entry point: jump here to execute word */
- void *entry_point;
- /* UNTAGGED compiled code block */
-
- /* defined in code_blocks.hpp */
- code_block *code() const;
+ static const cell type_number = WORD_TYPE;
+ /* TAGGED hashcode */
+ cell hashcode;
+ /* TAGGED word name */
+ cell name;
+ /* TAGGED word vocabulary */
+ cell vocabulary;
+ /* TAGGED definition */
+ cell def;
+ /* TAGGED property assoc for library code */
+ cell props;
+ /* TAGGED alternative entry point for direct non-tail calls. Used for inline
+ * caching */
+ cell pic_def;
+ /* TAGGED alternative entry point for direct tail calls. Used for inline
+ * caching */
+ cell pic_tail_def;
+ /* TAGGED machine code for sub-primitive */
+ cell subprimitive;
+ /* UNTAGGED entry point: jump here to execute word */
+ void* entry_point;
+ /* UNTAGGED compiled code block */
+
+ /* defined in code_blocks.hpp */
+ code_block* code() const;
};
/* Assembly code makes assumptions about the layout of this struct */
struct wrapper : public object {
- static const cell type_number = WRAPPER_TYPE;
- cell object;
+ static const cell type_number = WRAPPER_TYPE;
+ cell object;
};
/* Assembly code makes assumptions about the layout of this struct */
struct boxed_float : object {
- static const cell type_number = FLOAT_TYPE;
+ static const cell type_number = FLOAT_TYPE;
#ifndef FACTOR_64
- cell padding;
+ cell padding;
#endif
- double n;
+ double n;
};
/* Assembly code makes assumptions about the layout of this struct:
- basis/bootstrap/images/images.factor
- basis/compiler/constants/constants.factor
- core/bootstrap/primitives.factor
+ basis/bootstrap/images/images.factor
+ basis/compiler/constants/constants.factor
+ core/bootstrap/primitives.factor
*/
struct quotation : public object {
- static const cell type_number = QUOTATION_TYPE;
- /* tagged */
- cell array;
- /* tagged */
- cell cached_effect;
- /* tagged */
- cell cache_counter;
- /* UNTAGGED entry point; jump here to call quotation */
- void *entry_point;
-
- /* defined in code_blocks.hpp */
- code_block *code() const;
+ static const cell type_number = QUOTATION_TYPE;
+ /* tagged */
+ cell array;
+ /* tagged */
+ cell cached_effect;
+ /* tagged */
+ cell cache_counter;
+ /* UNTAGGED entry point; jump here to call quotation */
+ void* entry_point;
+
+ /* defined in code_blocks.hpp */
+ code_block* code() const;
};
/* Assembly code makes assumptions about the layout of this struct */
struct alien : public object {
- static const cell type_number = ALIEN_TYPE;
- /* tagged */
- cell base;
- /* tagged */
- cell expired;
- /* untagged */
- cell displacement;
- /* untagged */
- cell address;
-
- void update_address()
- {
- if(base == false_object)
- address = displacement;
- else
- address = UNTAG(base) + sizeof(byte_array) + displacement;
- }
+ static const cell type_number = ALIEN_TYPE;
+ /* tagged */
+ cell base;
+ /* tagged */
+ cell expired;
+ /* untagged */
+ cell displacement;
+ /* untagged */
+ cell address;
+
+ void update_address() {
+ if (base == false_object)
+ address = displacement;
+ else
+ address = UNTAG(base) + sizeof(byte_array) + displacement;
+ }
};
struct dll : public object {
- static const cell type_number = DLL_TYPE;
- /* tagged byte array holding a C string */
- cell path;
- /* OS-specific handle */
- void *handle;
+ static const cell type_number = DLL_TYPE;
+ /* tagged byte array holding a C string */
+ cell path;
+ /* OS-specific handle */
+ void* handle;
};
struct callstack : public object {
- static const cell type_number = CALLSTACK_TYPE;
- /* tagged */
- cell length;
-
- void *frame_top_at(cell offset) const
- {
- return (void *)((char *)(this + 1) + offset);
- }
-
- void *top() const { return (void *)(this + 1); }
- void *bottom() const { return (void *)((cell)(this + 1) + untag_fixnum(length)); }
+ static const cell type_number = CALLSTACK_TYPE;
+ /* tagged */
+ cell length;
+
+ void* frame_top_at(cell offset) const {
+ return (void*)((char*)(this + 1) + offset);
+ }
+
+ void* top() const { return (void*)(this + 1); }
+ void* bottom() const {
+ return (void*)((cell)(this + 1) + untag_fixnum(length));
+ }
};
struct tuple : public object {
- static const cell type_number = TUPLE_TYPE;
- /* tagged layout */
- cell layout;
+ static const cell type_number = TUPLE_TYPE;
+ /* tagged layout */
+ cell layout;
- cell *data() const { return (cell *)(this + 1); }
+ cell* data() const { return (cell*)(this + 1); }
};
struct data_root_range {
- cell *start;
- cell len;
+ cell* start;
+ cell len;
- explicit data_root_range(cell *start_, cell len_) :
- start(start_), len(len_) {}
+ explicit data_root_range(cell* start_, cell len_)
+ : start(start_), len(len_) {}
};
}